– Full Description
The Komatsu PC450 is a heavy-duty 45-ton class hydraulic excavator engineered for power, performance, and reliability. Built for the toughest applications, it’s a top choice for mining, large-scale earthmoving, quarrying, and infrastructure projects. The PC450 combines exceptional digging strength, durability, and operator comfort with Komatsu’s advanced hydraulic technology.
⚙️ Main Specifications:
-
Operating Weight: Approx. 44,000 – 46,000 kg
-
Engine Power: 345 HP (257 kW) @ 1,950 rpm
-
Engine Model: Komatsu SAA6D125E-5 (Tier 2 / Tier 3 / Tier 4 Final depending on version)
-
Bucket Capacity: 2.1 – 3.5 m³ (Standard: 2.3 m³)
-
Max Digging Depth: Around 7,600 mm
-
Max Digging Reach: Approx. 11,500 mm
-
Max Dumping Height: About 7,300 mm
-
Swing Speed: 9.0 rpm
-
Travel Speed: 3.1 / 5.0 km/h
-
Fuel Tank Capacity: 650 liters
🌟 Key Features & Benefits:
🔹 High-Performance Komatsu Engine
Powered by the reliable Komatsu SAA6D125E-5 turbocharged diesel engine, the PC450 delivers outstanding horsepower and torque for demanding operations. Advanced engine management ensures superior power with reduced fuel consumption and emissions.
🔹 Advanced Hydraulic System
The Closed-Center Load-Sensing System (CLSS) offers smooth, precise control and faster combined operation. The system automatically adjusts flow and pressure according to the working load, optimizing performance and fuel efficiency.
🔹 Heavy-Duty Construction
The PC450’s boom, arm, and frame are made from high-strength steel with cast reinforcement in key stress areas. Designed for long life and low maintenance, it performs reliably even in the harshest conditions such as mining and quarry sites.
🔹 Excellent Stability & Lifting Capacity
With a long undercarriage (LC version) and wide track gauge, the machine provides exceptional balance, stability, and lifting performance — even when handling large buckets or working on uneven terrain.
🔹 Operator Comfort & Safety
The spacious ROPS/FOPS-certified cabin ensures operator safety and productivity, featuring:
-
Adjustable, air-suspension seat with low vibration
-
Automatic air-conditioning and low-noise design
-
7-inch LCD color monitor for real-time performance data
-
Rearview camera and high-visibility windows
-
Easy-to-use joysticks for precise control
🔹 Easy Maintenance
Designed for maximum uptime, the PC450 offers:
-
Wide-opening side doors for easy engine access
-
Ground-level service points
-
Centralized filters and auto-cleaning cooling fan
-
Komatsu’s onboard diagnostic system to simplify maintenance
💼 Applications:
✅ Mining and quarry operations
✅ Large-scale earthmoving and land development
✅ Road and bridge construction
✅ Rock and demolition work
✅ Heavy loading and material handling







